Core Viewpoint - The article discusses the unique privilege of university students to enjoy flexible sleeping patterns, emphasizing the contrast between structured high school schedules and the freedom of college life [1][4]. Group 1: Sleep Patterns and Student Life - University students experience a significant shift in their sleep habits, allowing for late-night productivity and natural waking times, which enhances their mental energy [2][3]. - The concept of "sleeping anywhere" is portrayed as a luxurious freedom that is unique to university life, contrasting with the rigid schedules of high school [4][5]. Group 2: Social Dynamics and Attendance - The article highlights the social dynamics in dormitories, where students support each other's sleep schedules, often prioritizing rest over attendance in early classes [2][3]. - There is a sense of acceptance regarding attendance policies, with students displaying a nonchalant attitude towards being marked absent, reflecting a carefree university culture [3][4]. Group 3: Nostalgia and Future Implications - The author expresses nostalgia for the flexibility of university life, recognizing that once students enter the workforce, they will likely lose the ability to sleep freely [4][5]. - The article concludes with a reflection on the fleeting nature of university life, emphasizing the importance of cherishing the unique experiences it offers, particularly the freedom to sleep as desired [4].